From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Mon, 18 Jun 2012 14:18:35 +0000 (+0000)
Subject: ducatividdec: detect unsupported codecs when switching from NULL to READY
X-Git-Tag: glsdk-6_00_00_07~120
X-Git-Url: https://git.ti.com/gitweb?p=glsdk%2Fgst-plugin-ducati.git;a=commitdiff_plain;h=f3f6c2afb1c43018d6a3510f78999651e509a970;hp=34565d84b3a313d6b5529ac353984b5a4d4abae9

ducatividdec: detect unsupported codecs when switching from NULL to READY

This should allow playbin2 to try other codecs, if available.
---

diff --git a/src/gstducatividdec.c b/src/gstducatividdec.c
index d63eb92..a82e411 100644
--- a/src/gstducatividdec.c
+++ b/src/gstducatividdec.c
@@ -1151,6 +1151,7 @@ gst_ducati_viddec_change_state (GstElement * element, GstStateChange transition)
 {
   GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
   GstDucatiVidDec *self = GST_DUCATIVIDDEC (element);
+  gboolean supported;
 
   GST_DEBUG_OBJECT (self, "begin: changing state %s -> %s",
       gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
@@ -1162,6 +1163,16 @@ gst_ducati_viddec_change_state (GstElement * element, GstStateChange transition)
         GST_ERROR_OBJECT (self, "could not open");
         return GST_STATE_CHANGE_FAILURE;
       }
+      /* try to create/destroy the codec here, it may not be supported */
+      supported = codec_create (self);
+      codec_delete (self);
+      self->codec = NULL;
+      if (!supported) {
+        GST_ERROR_OBJECT (element, "Failed to create codec %s, not supported",
+            GST_DUCATIVIDDEC_GET_CLASS (self)->codec_name);
+        engine_close (self);
+        return GST_STATE_CHANGE_FAILURE;
+      }
       break;
     default:
       break;